EFFICACY AND SAFETY OF DAPOXETINE/SILDENAFIL COMBINATION TABLETS IN THE TREATMENT OF MEN WITH PREMATURE EJACULATION AND CONCOMITANT ERECTILE DYSFUNCTION-DAP-SPEED STUDY Article Tuken Murat, Culha M.G., Serefoglu E.C. International Journal of Impotence Research. Nature Publishing Group. Vol. 31. 2019. P. 92-96